CN106686774A - Electric heating element and electric heating device - Google Patents
Electric heating element and electric heating device Download PDFInfo
- Publication number
- CN106686774A CN106686774A CN201710035892.2A CN201710035892A CN106686774A CN 106686774 A CN106686774 A CN 106686774A CN 201710035892 A CN201710035892 A CN 201710035892A CN 106686774 A CN106686774 A CN 106686774A
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- Prior art keywords
- heating
- heat
- conducting layer
- electric
- circuit
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
- H05B2203/005—Heaters using a particular layout for the resistive material or resistive elements using multiple resistive elements or resistive zones isolated from each other
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/021—Heaters specially adapted for heating liquids
Abstract
The invention discloses an electric heating element and an electric heating device. The electric heating element comprises a thermally conductive substrate, an insulated thermally conductive layer and a heat generating circuit layer. The thermally conductive layer is connected to the substrate and the heat generating circuit layer. The heat generating circuit layer includes a plurality of first resistance circuits having an arc shape and a plurality of second resistance circuits in a linear shape. The plurality of first resistance circuits are arranged surrounding the plurality of second resistance circuits. The plurality of first resistance circuits are spaced apart from the plurality of second resistance circuits. In the electric heating element according to the embodiment of the invention, as the resistance circuits of the heating circuit layer are uniformly distributed, the space of the thermally conductive layer can be made full use of, the heating of the electric heating element is more uniform, the phenomenon of local overheating of the electric heating element can be effectively avoided, and thus the service life of the heating element is ensured. The electric heating device includes the above-described electric heating element.
Description
Technical field
The present invention relates to electric-heating technology field, more particularly, to a kind of heating and electric heating equipment.
Background technology
In the related, it is common to use heating wire is heated as heating to water, heating wire is typically in semi-ring
Arrangements are in the bottom of water container, so that heating wire is uneven to water container heating, hot-spot easily occurs
Phenomenon so that heating easily breaks down, and have impact on the service life of heating.
The content of the invention
It is contemplated that at least solving one of technical problem present in correlation technique.For this purpose, the present invention needs offer one
Plant heating and electric heating equipment.
The heating of embodiment of the present invention includes substrate, the heat-conducting layer of insulation and the heating circuit layer of heat conduction, described
Heat-conducting layer connects the substrate and the heating circuit layer, and the heating circuit layer includes multiple electricity of the first resistor in arc-shaped
Road and multiple linearly second resistance circuits, the plurality of first resistor circuit surrounds the plurality of second resistance circuit,
The plurality of first resistor circuit and the plurality of second resistance circuit interval setting.
In the heating of embodiment of the present invention, because the resistance circuit of heating circuit layer is distributed more uniformly, such as
This can make full use of the space of heat-conducting layer, and the heating of such heating is more uniform, can be prevented effectively from heating and go out current situation
The overheated phenomenon in portion, so as to ensure that the service life of heating.
In one embodiment, the heat-conducting layer includes the first sub- heat-conducting layer and at least one second sub- heat-conducting layers, institute
State at least one second sub- heat-conducting layers, the heating circuit layer and the first sub- heat-conducting layer to stack gradually on the substrate.
In one embodiment, the plurality of first resistor circuit in parallel connection, the plurality of second resistance circuit is simultaneously
Connection connection.
In one embodiment, with one heart uniform intervals are distributed on heat-conducting layer the plurality of first resistor circuit, institute
State multiple second resistance circuit uniform intervals to be distributed in the central area that the first resistor circuit is formed.
In one embodiment, the material of the heat-conducting layer includes rare earth oxide material.
In one embodiment, the heat-conducting layer is obtained by rare earth medium slurry, and the rare earth medium slurry is by solid phase
Composition is constituted with organic solvent carriers, and the solid-phase component includes the one kind in silicon dioxide, diboron trioxide, rare earth oxide
Or it is several, the organic solvent carriers include terpineol, tributyl citrate and ethyl cellulose.
In one embodiment, the heating includes two electrodes, the first electric-conductor and the second electric-conductors, described
Two electrodes are arranged on the heat-conducting layer, and first electric-conductor separates with second electric-conductor, and the plurality of first is electric
Resistance circuit is connected by first electric-conductor with described two electrodes, and the plurality of second resistance circuit is led by described second
Electric part connects with described two electrodes.
In one embodiment, the heating includes temperature controller, and the temperature controller is arranged on the heat-conducting layer,
When the temperature of the heating is more than or equal to the first design temperature, the temperature controller breaks for controlling the heating
Electricity.
In one embodiment, the heating includes critesistor, and the critesistor is arranged on the heat conduction
On layer, the critesistor is used to detect the temperature of the heating, and in the heating temperature second is more than or equal to
During design temperature, the critesistor is used to control the heating power-off.
In one embodiment, the material of the first resistor circuit includes rare earth oxide material, and described second is electric
The material of resistance circuit includes rare earth oxide material.
The electric heating equipment of embodiment of the present invention includes heating as above described in any embodiment.
In the electric heating equipment of embodiment of the present invention, because the resistance circuit of heating circuit layer is distributed more uniformly,
The space of heat-conducting layer can be so made full use of, the heating of such heating is more uniform, heating appearance can be prevented effectively from
The phenomenon of hot-spot, so as to ensure that the service life of heating.
In one embodiment, the electric heating equipment includes control device, inner bag and steam generating system, the control
Device processed connects the heating, and the steam generating system includes evaporating pan, and the evaporating pan is arranged on the inner bag
Bottom, the heating is arranged on the evaporating pan by the outer bottom of evaporating pan described in the substrate connection.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partly by from following
Become obvious in description, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
Substantially with it is easy to understand, wherein:
Fig. 1 is the floor map of the heating of embodiment of the present invention.
Fig. 2 is the decomposing schematic representation of the heating of embodiment of the present invention.
Fig. 3 is the connection diagram of the heating circuit layer of the heating of embodiment of the present invention.
Fig. 4 is the schematic perspective view of the electric heating equipment of embodiment of the present invention.
Fig. 5 is another schematic perspective view of the electric heating equipment of embodiment of the present invention.
Fig. 6 is the connection diagram of the evaporating pan with heating of the electric heating equipment of embodiment of the present invention.
Main element symbol description:
Electric heating equipment 100;
Heating 10, substrate 11, heat-conducting layer 12, the first sub- heat-conducting layer 121, the second sub- heat-conducting layer 122, heating circuit layer
13rd, first resistor circuit 131, second resistance circuit 132, central area 13a, electrode 14, the first electric-conductor 15, the second electric-conductor
151st, temperature controller 16, critesistor 17;
Control device 20, inner bag 30, steam generating system 40, evaporating pan 41, water pump 42, water tank 43.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " is, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of indication must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second " are only used for
Description purpose, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, one or more feature can be expressed or be implicitly included to the feature of " second ".
In description of the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected.Can
Being to be mechanically connected, or electrically connect.Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can be with
Above-mentioned term concrete meaning in the present invention is understood as the case may be.
See also Fig. 1~Fig. 3, the heating 10 of embodiment of the present invention includes the substrate 11 of heat conduction, insulation
Heat-conducting layer 12 and heating circuit layer 13.The connecting substrate 11 of heat-conducting layer 12 and heating circuit layer 13.Heating circuit layer 13 includes multiple
First resistor circuit 131 in arc-shaped and multiple linearly second resistance circuits 132.Multiple first resistor circuits 131
Around multiple second resistance circuits 132.Multiple first resistor circuits 131 and multiple interval settings of second resistance circuit 132.
In the heating 10 of embodiment of the present invention, due to heating circuit layer 13 resistance circuit distribution it is more equal
It is even, the space of heat-conducting layer 12 can be so made full use of, the heating of such heating 10 is more uniform, can be prevented effectively from electric heating unit
There is the phenomenon of hot-spot in part 10, so as to ensure that the service life of heating 10.
It should be noted that first resistor circuit 131 and the interval setting of second resistance circuit 132, the can be so prevented
Interfere between one resistance circuit 131 and second resistance circuit 132.
In one embodiment, heat-conducting layer 12 includes the first sub- heat-conducting layer 121 and at least one second sub- heat-conducting layers
122.At least one second sub- heat-conducting layers 122, the sub- heat-conducting layer 121 of heating circuit layer 13 and first are stacked gradually on the substrate 11.
Thus, many sub- heat-conducting layers can either carry out sufficient heat conduction, again can effectively by heating circuit layer 13 with it is outer
Boundary separates, and produces electric leakage etc. to resistance circuit so as to the grieshoch or the material such as water that can avoid the external world enter heating circuit layer 13 negative
Face rings.
In the present example, heat-conducting layer 12 includes 5 the second sub- heat-conducting layers 122.When heating 10 is assembled, can be first
5 the second sub- heat-conducting layers 122 are stacked gradually on the substrate 11, then again heating circuit layer 13 5 the second sons is stacked on into and is led
In thermosphere 122 on a farthest second sub- heat-conducting layer 122 of substrate 11, then the first sub- heat-conducting layer 121 is stacked on again
Heating circuit layer 13 so that heating circuit layer 13 is located in the first sub- heat-conducting layer 121 and leads apart from the second farthest son of substrate 11
Between thermosphere 122.Wherein, during heating 10 entirely assembling, the first sub- heat-conducting layer 121, heating circuit layer 13 and 5
Can be fixed by way of sintering between individual second sub- heat-conducting layer 122.
In one example, heat-conducting layer 12 covers heating circuit layer 13 in the projected area of heating circuit layer 13.So lead
Thermosphere 12 can fully avoid the grieshoch or water in the external world from being directly dropped on the resistance circuit of heating circuit layer 13.
It should be noted that substrate 11 can be by stainless steel material, copper product, aluminum, microcrystal glass material or ceramic material
One or more in material is made.
In one embodiment, multiple first resistor circuits 131 are connected in parallel, and multiple second resistance circuits 132 are in parallel
Connection.
Thus, it is separate between multiple resistance circuits, mutually it does not interfere with each other, so can effectively prevent a certain resistance circuit event
Hinder and interference is produced to other resistance circuits.
In one embodiment, with one heart uniform intervals are distributed on heat-conducting layer 12 multiple first resistor circuits 131, many
The individual uniform intervals of second resistance circuit 132 are distributed in the central area 13a that first resistor circuit 131 is formed.
Thus, taking full advantage of the space of heat-conducting layer 12, so can arrange more in the space of equal heat-conducting layer 12
Resistance circuit so that the heating of heating 10 is more uniform.
In the present example, the semicircular in shape shape of first resistor circuit 131.
In one embodiment, the material of heat-conducting layer 12 includes rare earth oxide material.
Thus, under the conditions of equal heat-conducting area, heat-conducting layer 12 has bigger surface thermal load, while heat-conducting layer 12
Heat transfer efficiency it is higher, and more energy-conservation, while can ensure that the heat produced by heating circuit layer 13 can equably by leading
Thermosphere 12 is derived to substrate 11.
In one embodiment, heat-conducting layer 12 is obtained by rare earth medium slurry.Rare earth medium slurry by solid-phase component with
Organic solvent carriers are constituted, and solid-phase component includes one or more in silicon dioxide, diboron trioxide, rare earth oxide, has
Machine solvent carrier includes terpineol, tributyl citrate and ethyl cellulose.
Thus, the heat-conducting layer 12 by obtained in rare earth medium slurry has moderate intensity, and imitate with higher heat conduction
Rate, while and with preferable thermal stability.
In one embodiment, heating 10 includes two electrodes 14, the first electric-conductor 15 and the second electric-conductors
151.Two electrodes 14 are arranged on heat-conducting layer 12.First electric-conductor 15 separates with the second electric-conductor 151.Multiple first resistor electricity
Road 131 is connected by the first electric-conductor 15 with two electrodes 14.Multiple second resistance circuits 132 by the second electric-conductor 151 with
Two electrodes 14 connect.
Thus, resistance circuit can be realized being connected by electric-conductor and electrode, electric-conductor can ensure the steady of resistance circuit conduction
It is qualitative, while the first electric-conductor 15 separates with the second electric-conductor 151, so can ensure mutually not interfere with each other between electric-conductor.
In the present example, in the form of sheets, electrode 14 is, for example, copper sheet to electrode 14.Thus, electrode 14 has preferably leading
Electric effect.In addition, two electrodes 14, the first electric-conductor 15 and the second electric-conductors 151 are arranged on the first sub- heat-conducting layer 121 and farthest
Between the second sub- heat-conducting layer 122 of substrate 11.
In one embodiment, heating 10 includes temperature controller 16.Temperature controller 16 is arranged on heat-conducting layer 12.In electricity
When the temperature of thermal element 10 is more than or equal to the first design temperature, temperature controller 16 is used to control the power-off of heating 10.
Thus, temperature controller 16 can avoid heating 10 overheated, so as to serve the protective effect to heating 10, this
Sample can ensure the service life of heating 10, improve the reliability of operation of heating 10.
In the present example, temperature controller 16 is Kick type temperature controller.Thus, the thermal sensitivity of temperature controller 16 is higher, and
Good stability.
It should be noted that the value of the first design temperature can be configured according to practical situations, it is not limited to Gu
Fixed temperature value.
In one embodiment, heating 10 includes critesistor 17.Critesistor 17 is arranged on heat-conducting layer 12.
Critesistor 17 is used to detect the temperature of heating 10, when the temperature of heating 10 is more than or equal to the second design temperature,
Critesistor 17 is used to control the power-off of heating 10.
Thus, critesistor 17 has the effect to the overtemperature protection of heating 10, can equally ensure heating 10
Service life, improves the reliability of operation of heating 10.
In the present example, heating 10 includes temperature controller 16 and critesistor 17, temperature controller 16 and critesistor
17 interval settings, and mutually do not interfere with each other, such temperature controller 16 and critesistor 17 are to work of the heating 10 with duplicate protection
With further increasing the reliability of operation of heating 10.
It should be noted that the value of the first design temperature can be set with the value of the second design temperature according to particular situation
Put, and the magnitude relationship of both values is adjusted also dependent on practical situations, for example, can be by the value of the first design temperature
It is set as same set temperature value with the value of the second design temperature, when so the temperature in heating 10 reaches and sets stable,
Temperature controller 16 and critesistor 17 have only needed to one can work, it becomes possible to avoid heating 10 overheated.
In one embodiment, the material of first resistor circuit 131 includes rare earth oxide material, second resistance circuit
132 material includes rare earth oxide material.
Thus, under the conditions of equal heat-conducting area, the surface thermal load of resistance circuit is larger, imitate with higher heat conduction
Rate.
In the present example, first resistor circuit 131 is mutually organic molten by microcrystalline glass powder, Fine Aluminum Powder, inorganic bond
Agent carrier and rare earth oxide are constituted, and second resistance circuit 132 is mutually organic molten by microcrystalline glass powder, Fine Aluminum Powder, inorganic bond
Agent carrier and rare earth oxide are constituted.Thus, resistance circuit had both had higher heat transfer efficiency, and with preferable heat stability
Energy.
Fig. 4~Fig. 6 is seen also, the electric heating equipment 100 of embodiment of the present invention includes arbitrary embodiment party as described above
Heating 10 described in formula.
In the electric heating equipment 100 of embodiment of the present invention, because the resistance circuit of heating circuit layer 13 is distributed more
Uniformly, the space of heat-conducting layer 12 can be so made full use of, the heating of such heating 10 is more uniform, can be prevented effectively from electric heating
There is the phenomenon of hot-spot in element 10, so as to ensure that the service life of heating 10.
In the present example, electric heating equipment 100 is electric steam furnace.
In one embodiment, firing equipment 100 includes control device 20, inner bag 30 and steam generating system 40.Control
Device processed 20 connects heating 10.Steam generating system 40 includes evaporating pan 41.Evaporating pan 41 is arranged on the bottom of inner bag 30.
Heating 10 connects the outer bottom of evaporating pan 41 and is arranged on evaporating pan 41 by substrate 11.
Thus, when heating 10 works, heating 10 enables to the water in evaporating pan 41 and accelerates to be vaporized into steam,
And inner bag 30 is heated and is heated up, and the process that heating 10 is heated can effectively be controlled via control device 20
System.
In the present example, steam generating system 40 also includes water pump 42 and water tank 43.Water pump 42 connect water tank 43 and
Evaporating pan 41.The concave shape of evaporating pan 41.Temperature sensor (not shown) is provided with inner bag 30.
When electric heating equipment 100 works, control device 20 can control water pump 42 and the water in water tank 43 introduced into evaporating pan
In 41, the control heating 10 of control device 20 produces heat, and the heat Jing substrates 11 that heating 10 is produced are conducted to evaporation
Water in disk 41, makes water be heated into high-temperature steam, and then high-temperature steam is in the internal diffusion of inner bag 30, so that the temperature in inner bag 30
Degree is gradually lifted, and then the temperature signal in inner bag 30 is converted into the corresponding signal of telecommunication by temperature sensor, and feeds back to control
Device 20, then control device 20 temperature in inner bag 30 is controlled.
After temperature in inner bag 30 reaches design temperature, the control heating 10 of control device 20 is in certain power work
Make, so that electric heating equipment 100 enters holding stage, when the temperature of inner bag 30 is less than the lower limit for setting, control device 20
Heating 20 can be controlled again improves power continuation heating.So circulation, when electric heating equipment 100 reaches the setting of work
Between after, control device 20 can control heating 10 and quit work.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to be not directly contact but by it including the first and second features
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only merely illustrative, and
And purpose does not lie in the restriction present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiments and/or arranging
Relation.Additionally, the invention provides various specific technique and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically enforcement
It is concrete that the description of mode ", " example ", " specific example " or " some examples " etc. means to combine embodiment or example is described
Feature, structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, it is right
The schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that:
These embodiments can be carried out with various changes, modification, replacement in the case of principle and objective without departing from the present invention and become
Type, the scope of the present invention is limited by claim and its equivalent.
Claims (12)
1. a kind of heating, it is characterised in that the substrate, the heat-conducting layer of insulation and heating circuit layer including heat conduction, it is described to lead
Thermosphere connects the substrate and the heating circuit layer, and the heating circuit layer includes multiple first resistor circuits in arc-shaped
And multiple linearly second resistance circuits, the plurality of first resistor circuit is around the plurality of second resistance circuit, institute
Multiple first resistor circuits are stated with the plurality of second resistance circuit interval setting.
2. heating as claimed in claim 1, it is characterised in that the heat-conducting layer includes the first sub- heat-conducting layer and at least
Individual second sub- heat-conducting layer, described at least one second sub- heat-conducting layers, the heating circuit layer and the first sub- heat-conducting layer are successively
Stacking is on the substrate.
3. heating as claimed in claim 1, it is characterised in that the plurality of first resistor circuit in parallel connection, it is described
Multiple second resistance circuit in parallel connections.
4. heating as claimed in claim 1, it is characterised in that the plurality of first resistor circuit uniform intervals with one heart
It is distributed on the heat-conducting layer, the plurality of second resistance circuit uniform intervals are distributed in what the first resistor circuit was formed
In central area.
5. heating as claimed in claim 1, it is characterised in that the material of the heat-conducting layer includes rare earth oxide material
Material.
6. heating as claimed in claim 5, it is characterised in that the heat-conducting layer is obtained by rare earth medium slurry, described
Rare earth medium slurry is made up of solid-phase component with organic solvent carriers, the solid-phase component include silicon dioxide, diboron trioxide,
One or more in rare earth oxide, the organic solvent carriers include terpineol, tributyl citrate and ethyl cellulose.
7. heating as claimed in claim 1, it is characterised in that the heating includes two electrodes, first conductive
Part and the second electric-conductor, described two electrodes are arranged on the heat-conducting layer, first electric-conductor and second electric-conductor
Separate, the plurality of first resistor circuit is connected by first electric-conductor with described two electrodes, and the plurality of second is electric
Resistance circuit is connected by second electric-conductor with described two electrodes.
8. heating as claimed in claim 1, it is characterised in that the heating includes temperature controller, the temperature controller
It is arranged on the heat-conducting layer, when the temperature of the heating is more than or equal to the first design temperature, the temperature controller is used
In the control heating power-off.
9. heating as claimed in claim 1, it is characterised in that the heating includes critesistor, the temperature-sensitive
Resistance is arranged on the heat-conducting layer, and the critesistor is used to detect the temperature of the heating, in the heating
When temperature is more than or equal to the second design temperature, the critesistor is used to control the heating power-off.
10. heating as claimed in claim 1, it is characterised in that the material of the first resistor circuit includes rare earth oxygen
Compound material, the material of the second resistance circuit includes rare earth oxide material.
11. a kind of electric heating equipments, it is characterised in that include the heating as described in any one of claim 1-10.
12. electric heating equipments as claimed in claim 11, it is characterised in that the electric heating equipment includes control device, interior
Gallbladder and steam generating system, the control device connects the heating, and the steam generating system includes evaporating pan, described
Evaporating pan is arranged on the bottom of the inner bag, and the heating is set by the outer bottom of evaporating pan described in the substrate connection
Put on the evaporating pan.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107620942A (en) * | 2017-09-27 | 2018-01-23 | 东莞佐佑电子科技有限公司 | A kind of high temperature saturated vapor thick film heater |
CN110215173A (en) * | 2019-05-27 | 2019-09-10 | 安徽苏立科技股份有限公司 | A kind of dish-washing machine heat-generating disc and its processing technology |
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CN107620942A (en) * | 2017-09-27 | 2018-01-23 | 东莞佐佑电子科技有限公司 | A kind of high temperature saturated vapor thick film heater |
CN110215173A (en) * | 2019-05-27 | 2019-09-10 | 安徽苏立科技股份有限公司 | A kind of dish-washing machine heat-generating disc and its processing technology |
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